silt

Premier Marinas, which owns Brighton Marina, has said dredging, which involves removing natural silts that settle in the marina basin, is needed to ensure safe navigation for boats.

“I doubt if we make it to even 1 million,” Loomis admits, adding that he hopes to die in shallow silt so he can become a fossil too.

The naturalist's latest documentary Ocean With David Attenborough showed new footage of a bottom trawling net bulldozing through silt on the seafloor and scooping up species indiscriminately.

However, it could now flush silt from its reservoirs without prior warning - potentially causing damage downstream in Pakistan.

Regional Water Quality Control Board found that the charred silt does not contain wildfire-related chemicals at levels considered to be dangerous to human health, the health department concluded.